Been tuning out of the box head clearance for a while and it was .028”. The motor broke in nice and great. Lowered it to .017” Gained quite a bit of speed. I don’t want to over do but what are some other people running for head clearance on there 21 DD Nova
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Dam are you subtracting
Been tuning out of the box head clearance for a while and it was .028”. The motor broke in nice and great. Lowered it to .017” Gained quite a bit of speed. I don’t want to over do but what are some other people running for head clearance on there 21 DD Nova
Sam are you subtracting the .015” For the dish in the top of the piston? Is this the same DD you broke a plug in? Why would anyone run .028” clearance on any nitro motor?
Even .017” is high.
.008” is a safe strong number. You can go tighter but will need to monitor it more.